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Trichloroacetic acid_Molecular_structure_CAS_76-03-9)
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Trichloroacetic acid

Catalog No. 33731 Name Sigma Aldrich
CAS Number 76-03-9 Website http://www.sigmaaldrich.com
M. F. C2HCl3O2 Telephone 1-800-521-8956
M. W. 163.38714 Fax
Purity ≥99.5% Email
Storage Chembase ID: 92076

SYNONYMS

Title
三氯乙酸
IUPAC name
trichloroacetic acid
IUPAC Traditional name
trichloroacetic acid
Synonyms
TCA

DATABASE IDS

Beilstein Number 970119
MDL Number MFCD00004177
EC Number 200-927-2
PubChem SID 24860472
CAS Number 76-03-9

PROPERTIES

Antion Traces chloride (Cl-): ≤10 mg/kg
Antion Traces nitrate (NO3-): ≤20 mg/kg
Antion Traces phosphate (PO43-): ≤5 mg/kg
Antion Traces sulfate (SO42-): ≤100 mg/kg
Cation Traces Cu: ≤5 mg/kg
Cation Traces Fe: ≤10 mg/kg
Grade puriss. p.a.
Ignition Residue ≤0.01% (as SO4)
Impurities ≤0.002% heavy metals (as Pb)
Impurities ≤0.005% water insolubles
Linear Formula Cl3CCOOH
Purity ≥99.5%
Suitability complies for appearance of solution
Boiling Point 196 °C(lit.)
Density 1.62 g/mL at 25 °C(lit.)
Flash Point >113 °C
Flash Point >235.4 °F
Melting Point 54-58 °C(lit.)
Refractive Index n20/D 1.62(lit.)
Vapor Density <1 (vs air)
Vapor Pressure 1 mmHg ( 51 °C)
GHS Pictograms GHS05
GHS Pictograms GHS09
GHS Signal Word Danger
GHS Hazard statements H314-H410
European Hazard Symbols Corrosive Corrosive (C)
European Hazard Symbols Nature polluting Nature polluting (N)
MSDS Link Download
Personal Protective Equipment Eyeshields, Faceshields, full-face particle respirator type N100 (US), Gloves, respirator cartridge type N100 (US), type P1 (EN143) respirator filter, type P3 (EN 143) respirator cartridges
GHS Precautionary statements P273-P280-P305 + P351 + P338-P310-P501
RID/ADR UN 1839 8/PG 2
Risk Statements 35-50/53
RTECS AJ7875000
Safety Statements 26-36/37/39-45-60-61
Hazard Class 8
UN Number 1839
Packing Group 2
German water hazard class 2

DETAILS

Description (English)
Application
Traditionally used to precipitate protein. Has been used to determine protein concentration by quantitative precipitation. Used as decalcifier and fixative in microscopy.
Description (简体中文)
Application
传统上用于沉淀蛋白质。用于通过定量沉淀测定蛋白质浓度。用作脱钙剂和显微镜样品的固定剂。

REFERENCES